變量
數據集都有14個屬性。
CRIM-人均城鎮犯罪率
ZN-劃為25,000平方英尺以上土地的住宅用地比例
INDU-每個城鎮非零售業務英畝的比例。
CHAs-查爾斯河虛擬變量(如果束縛河,則為1;否則為0)
NOx-一氧化氮濃度(百萬分之幾)
RM-每個住宅的平均房間數
年齡-1940年之前建造的自有住房的比例
DLS-到五個波士頓就業中心的加權距離
RAD-徑向公路的可達性指數
稅-每10,000美元的全價財產稅率比例-各鎮的師生比例
B- 1000(Bk-0.63)W2,其中Bk是按城鎮劃分的黑人比例
LSTAT-人口狀況降低百分比
MEDV-自有住房的中位價格(以$ 1000為單位)
Variables
There are 14 attributes in each case of the dataset.
CRIM - per capita crime rate by town
ZN - proportion of residential land zoned for lots over 25,000 sq.ft.
INDUs - proportion of non-retail business acres per town.
CHAs - Charles River dummy variable (1 if tract bounds river; 0 otherwise)
NOx - nitric oxides concentration (parts per 10 million)
RM - average number of rooms per dwelling
AGE - proportion of owner-occupied units built prior to 1940
Dls - weighted distances to five Boston employment centres
RAD - index of accessibility to radial highways
TAX - full-value property-tax rate per $10,000PTRATIO - pupil-teacher ratio by town
B- 1000(Bk - 0.63)W2 where Bk is the proportion of blacks by town
LSTAT - % lower status of the population
MEDV - Median value of owner-occupied homes in $1000's